OpenTechnical

OT-2026-000040141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed blow-off after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000040141) never changes.

Identity and time

Publication numberOT-2026-000040141 · never reused
Internal UUID01a0ae79-26fe-7943-9b22-8b502504000a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040141
StatusPUBLIC

Content hashes

Canonical text6af445470450a06a431bc10a804dffba949a91b8afe8a54fb0bdb4728367789d
Markdown9186ccd3b98d8a5eed55abf49777abe42666f8c7166428088c6a5685843d018d
PDF
Publication page6c13e1cc6823727eb33b2779b26738c625e4a9a662fb93c9a7e9318e71d8d905
Manifest6ee09eb8dc60e5a5dceb2b52f94684100d9e4cf0ea01e531c2529ccffca73fab

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturev0TWwzFoACXooHN8x4epdHM7qHpURyoKR9KVVEUZ3W8eC7ztwNEhpATxvtf4mixO3wGqVmjJS1886RFc1n6VCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:00.786603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040141
observed 6c13e1cc6823727eb33b2779b26738c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.771080ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040141/manifest.json
observed 6ee09eb8dc60e5a5dceb2b52f9468410...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.754907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040141/publication.md
observed 9186ccd3b98d8a5eed55abf49777abe4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:00.738806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040141/publication.txt
observed 6af445470450a06a431bc10a804dffba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.